<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="./css/bootstrap.min.css">
</head>
<body>
 

  <div class="container">
    <div class="jumbotron visible-xs-block">
      <h1>Hello, world!</h1>
      <p>...</p>
      <p><a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a></p>
    </div>
  </div>
  
</body>
<script src='./js/jquery-1.10.1.min.js'></script>
<script src='./js/bootstrap.min.js'></script>
</html>